Cita APA

(1981). America and the world 1981. Foreign affairs. - publ. by the Council on Foreign Relations.

Citación estilo Chicago

"America and the World 1981." Foreign Affairs. - Publ. by the Council on Foreign Relations 1981.

Cita MLA

"America and the World 1981." Foreign Affairs. - Publ. by the Council on Foreign Relations, 1981.